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Nanotechnology / Physics news 1234

Nanowire technology could make LCDs brighter, thinner, and cheaper

October 03, 2008 | User rating: 4.5 / 5 after 52 vote(s) | User comments: 3

(PhysOrg.com) -- As nanoimprinting technology advances, scientists have shown that using nano-sized polarizers could significantly enhance the contrast ratio in liquid crystal displays (LCDs). For consumers, ...


Under pressure at the nanoscale, polymers play by different rules

October 02, 2008 | User rating: 4.6 / 5 after 8 vote(s) | User comments: 1

Scientists putting the squeeze on thin films of polystyrene have discovered that at very short length scales the polymer doesn't play by the rules.


Playing Pinball with Atoms

October 06, 2008 | User rating: 4.6 / 5 after 16 vote(s) | No comments yet

With nanotechnology yielding a burgeoning menagerie of microscopic pumps, motors, and other machines for potential use in medicine and industry, here is one good question: How will humans turn those devices ...


New study on properties of carbon nanotubes, water could have wide-ranging implications

October 02, 2008 | User rating: 4.9 / 5 after 12 vote(s) | No comments yet

A fresh discovery about the way water behaves inside carbon nanotubes could have implications in fields ranging from the function of ultra-tiny high-tech devices to scientists' understanding of biological processes, according ...


Nanopencil Can Provide Terabit Data Storage Density

September 22, 2008 | User rating: 4.5 / 5 after 53 vote(s) | User comments: 7

(PhysOrg.com) -- Scientists have fabricated a 'nanopencil' with a tip so small that it can be used as a scanning probe in ultrahigh-density computer data storage systems.


New nanoscale process will help computers run faster and more efficiently

September 25, 2008 | User rating: 4.6 / 5 after 40 vote(s) | User comments: 9

(PhysOrg.com) -- Smaller. Faster. More efficient. These are the qualities that drive science and industry to create new nanoscale structures that will help to speed up computers.


Tweezers Trap Nanotubes by Color

September 26, 2008 | User rating: 4.6 / 5 after 7 vote(s) | No comments yet

Singled-walled carbon nanotubes are graphene sheets wrapped into tubes, and are typically made up of various sizes and with different amounts of twist (also known as chiralities). Each type of nanotube has its own electronic ...


Orienting Flow in Carbon Nanotubes

September 02, 2008 | User rating: 4.8 / 5 after 26 vote(s) | No comments yet

(PhysOrg.com) -- Carbon nanotubes provide some of the most interesting possibilities for future technology. One of the more intriguing possibilities – with a variety of practical applications – is using carbon nanotubes for ...


Future nanoelectronics may face obstacles

September 09, 2008 | User rating: 4.3 / 5 after 26 vote(s) | No comments yet

(PhysOrg.com) -- Combining ordinary electronics with light has been a potential way to create minimal computer circuits with super fast information transfer. Researchers at Umeå University in Sweden and the University of ...


Scientists peel away the mystery behind gold's catalytic prowess

September 04, 2008 | User rating: 4.7 / 5 after 35 vote(s) | No comments yet

Few materials have exercised as much of a hold on the human imagination, or on human history, as has gold. But for all of its popular uses – money, medals, jewelry and more – gold's potential as a catalyst ...


New probe could aid quantum computing

September 03, 2008 | User rating: 4.5 / 5 after 27 vote(s) | No comments yet

(PhysOrg.com) -- MIT researchers may have found a way to overcome a key barrier to the advent of super-fast quantum computers, which could be powerful tools for applications such as code breaking. Ever since ...


Coating copies microscopic biological surfaces

September 17, 2008 | User rating: 3.7 / 5 after 6 vote(s) | No comments yet

Someday, your car might have the metallic finish of some insects or the deep black of a butterfly's wing, and the reflectors might be patterned on the nanostructure of a fly's eyes, according to Penn State ...


Researchers Produce Best-Yet Dye-Based Solar Cells

July 31, 2008 | User rating: 4.5 / 5 after 66 vote(s) | User comments: 8

In work that may help solar panels become a more viable source of mainstream power, a research group has created a dye-based solar cell with a high efficiency and high stability, and that lacks the volatile chemicals used ...


Simulations help explain fast water transport in nanotubes

September 16, 2008 | User rating: 4.4 / 5 after 7 vote(s) | No comments yet

(PhysOrg.com) -- By discovering the physical mechanism behind the rapid transport of water in carbon nanotubes, scientists at the University of Illinois have moved a step closer to ultra-efficient, next-generation ...


A cautionary note in the use of carbon nanotubes as interconnects

September 16, 2008 | User rating: 4.3 / 5 after 7 vote(s) | No comments yet

(PhysOrg.com) -- Researchers at the University of Surrey’s Advanced Technology Institute (UK) have used scanning tunnelling microscopy to confirm remarkable changes in the fundamental electronic behaviour when double-walled ...


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